<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <!-- 引入echarts依赖包 -->
    <script src="https://cdn.bootcdn.net/ajax/libs/echarts/5.1.2/echarts.js"></script>
    <style>
      * {
        margin: 0;
        padding: 0;
      }

      div {
        width: 100%;
        height: 400px;
      }
    </style>
  </head>

  <body>
    <!-- 准备一个容器：容器就是显示图标区域 -->
    <div></div>
  </body>
</html>
<script>
  //基于准备好的DOM初始化echarts实例
  let dom = document.querySelector("div");
  //创建echarts实例
  let mycharts = echarts.init(dom);
  //双做标题
  mycharts.setOption({
    title: {
      text: "双坐标",
    },
    xAxis: {
      data: ["游戏", "直播", "经济", "娱乐"],
    },
    yAxis: [
      {
        //显示Y轴的线
        axisLine: {
          show: true,
        },
        //显示Y轴刻度
        axisTick: {
          show: true,
        },
      },
      {
        //显示Y轴的线
        axisLine: {
          show: true,
        },
        //显示Y轴刻度
        axisTick: {
          show: true,
        },
      },
    ],
    series: [
      {
        type: "line",
        data: [10, 20, 30, 40],
        //用的是索引值为1的y轴  从左到右
        yAxisIndex: 1,
      },
      {
        type: "bar",
        data: [6, 10, 80, 20],
        //用的是索引值为0的y轴
        yAxisIndex: 0,
      },
    ],
  });
</script>
